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-rw-r--r--Doc/library/tokenize.rst3
1 files changed, 2 insertions, 1 deletions
diff --git a/Doc/library/tokenize.rst b/Doc/library/tokenize.rst
index 7017045..ac6ae36 100644
--- a/Doc/library/tokenize.rst
+++ b/Doc/library/tokenize.rst
@@ -95,7 +95,8 @@ function it uses to do this is available:
It detects the encoding from the presence of a UTF-8 BOM or an encoding
cookie as specified in :pep:`263`. If both a BOM and a cookie are present,
- but disagree, a SyntaxError will be raised.
+ but disagree, a SyntaxError will be raised. Note that if the BOM is found,
+ ``'utf-8-sig'`` will be returned as an encoding.
If no encoding is specified, then the default of ``'utf-8'`` will be returned.